Specialists in D’Alessandro biomass boilers

Ashwell Biomass are exclusive UK distributors of this comprehensive range of biomass boilers. Including Super-heated water and Steam options as well as Low temperatures. With boiler outputs ranging from 20kW to 5MW and versatility over a large range of fuel types, the D’Alessandro boilers are suitable for most applications.
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D'Alessandro Termomeccanica is a well-established biomass boiler manufacturer with over 30 years' trading history within the industry. Investment in design, research and development and quality management are key focus areas into which resources have continually been invested.

D'Alessandro's Quality Management System, in compliance with ISO 9001:2000, ensures high quality services and products from the attentive planning of production to the strict monitoring of operations and Quality control checks on despatch.


D'Alessandro biomass boilers offer heating solutions ranging from residential and agricultural uses to applications in industrial plants and district heating systems.

The biomass boilers are also certified according to EN 303-5 (class 3) which covers combustion efficiency, emissions and safety. All D’Alessandro boilers are supplied with a two year warranty on the heat exchanger and one year warranty on electrical items and aftersales support is provided by Ashwell Biomass.


Suitable fuels are wood pellet, olive husk, almond and nut shells, woodchips, wood-shavings and sawdust.

Models available:

CS CSA GM CLP CSL CSI CSI Compact CSA GS GSA TA VN (Steam and super-heated water) TF (Steam and super-heated water)
Ashwell Biomass can supply and install D’Alessandro biomass boilers throughout the UK
0116 260 4050
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Ashwell Biomass Ltd, Unit 12, 35 Pinfold Road, Thurmaston, Leicester LE4 8AT
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